CN210111760U - Wire outlet structure suitable for external rotor motor - Google Patents
Wire outlet structure suitable for external rotor motor Download PDFInfo
- Publication number
- CN210111760U CN210111760U CN201921193289.8U CN201921193289U CN210111760U CN 210111760 U CN210111760 U CN 210111760U CN 201921193289 U CN201921193289 U CN 201921193289U CN 210111760 U CN210111760 U CN 210111760U
- Authority
- CN
- China
- Prior art keywords
- cable
- motor shaft
- joint
- waterproof
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a lead-out structure suitable for external rotor electric machine, include: the device comprises a bearing 1, an end cover 2, an oil seal 3, a cable 4, a cable waterproof joint 5, a motor shaft 6 and a cable channel; the motor shaft 6, the end cover 2, the oil seal 3 and the bearing 1 are coaxially connected, and the circle centers of the cross sections of the motor shaft 6, the end cover 2 and the oil seal 3 are superposed with the circle center of the cross section of the bearing 1; the bearing 1 is arranged between the end cover 2 and the motor shaft 6; the cable channel is arranged on the upper part of the motor shaft 6 in a penetrating way; the cable waterproof connector 5 is connected with a motor shaft 6; the cable waterproof connector 5 is arranged at an opening at one side of the cable channel; the cable 4 passes through the cable channel, the cable gland 5. The utility model discloses a can play good sealed effect in the sealed application of outer rotor motor, two-wheeled electric motor car bicycle motor and electric motorcycle motor.
Description
Technical Field
The utility model relates to a lead-out structure field of motor specifically relates to a lead-out structure suitable for external rotor electric machine, especially relates to a novel lead-out structure suitable for external rotor electric machine.
Background
Two-wheeled electric motor car bicycle motor and electric motorcycle car motor on the existing market, the cable all is qualified for the next round of competitions or axle center direction is worn out to the epaxial side of follow, to the waterproof from the shaft hole threading, only has the shaft hole to glue one measure, has following problem: after the shaft is drilled with the inclined hole or the central hole, the strength is reduced, and the risk of fracture is caused; the cable is easy to damage and break at the position of the axial wire outlet; the sewage penetrates through the gap between the shaft hole rubber in the shaft to enter the motor with a certain probability, so that the motor is in short circuit and the like.
Patent document CN209046430U discloses an outlet structure of a new energy automobile motor, which is characterized in that: including setting up the shell 1 on a motor, the wire hole 2 has been seted up on the shell 1, is located wire hole 2 department 1 is the stack form on the outside and is provided with a plurality of dustproof 3, dustproof 3 includes the dustproof frame 3a of square and is located a plurality of soft dust prevention area 3b in the middle of the dustproof frame 3a, soft dust prevention area 3 b's both ends all with the interior wall connection of dustproof frame 3a, arbitrary adjacent two mutually contact, adjacent two between the soft dust prevention area 3b on the dustproof 3 soft dust prevention area 3b mutually perpendicular, be provided with on the shell 1 and be used for fixed a plurality of the fixed establishment of dustproof 3. The sealing device cannot play a good sealing effect in the sealing application of an outer rotor motor, a two-wheeled electric bicycle motor and an electric motorcycle motor.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a be qualified for the next round of competitions structure suitable for external rotor electric machine.
According to the utility model provides a pair of outlet structure suitable for external rotor electric machine, include: the device comprises a bearing 1, an end cover 2, an oil seal 3, a cable 4, a cable waterproof joint 5, a motor shaft 6 and a cable channel; the motor shaft 6, the end cover 2, the oil seal 3 and the bearing 1 are coaxially connected, and the circle centers of the cross sections of the motor shaft 6, the end cover 2 and the oil seal 3 are superposed with the circle center of the cross section of the bearing 1; the bearing 1 is arranged between the end cover 2 and the motor shaft 6; the cable channel is arranged on the upper part of the motor shaft 6 in a penetrating way; the cable waterproof connector 5 is connected with a motor shaft 6; the cable waterproof connector 5 is arranged at an opening at one side of the cable channel; the cable 4 passes through the cable channel, the cable gland 5.
Preferably, the method further comprises the following steps: a glue injection hole 9 and a shaft hole sealing piece 7; the shaft hole sealing piece 7 is arranged inside the cable channel, the shaft hole sealing piece 7 wraps the cable 4, and the cable 4 penetrates through the shaft hole sealing piece 7.
Preferably, the cable watertight connector 5 comprises: a joint body 501, a lock nut 502; the connector body 501 is connected with an opening at one side of the cable channel, and the lock nut 502 is arranged at one side of the cable waterproof connector 5 away from the cable channel; the cable 4 passes through the connector body 501 and the lock nut 502.
Preferably, the cable watertight connector 5 further comprises a connector O-ring 503; the joint O-ring 503 is provided at a gap between the cable waterproof joint 5 and the motor shaft 6.
Preferably, the cable watertight connector 5 further comprises: a clamping jaw 504; a clamping jaw 504 is provided inside the lock nut 502, the clamping jaw 504 being located between the inner wall of the lock nut 502 and the cable 4.
Preferably, the shaft hole seal 7 is a rubber shaft hole seal.
Preferably, the clamping jaw 504 is a rubber clamping jaw 504.
Preferably, the cable watertight connector 5 is threadedly connected with the motor shaft 6.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the risk of breakage due to strength reduction after drilling an inclined hole or a central hole on the shaft for pursuing the sealing effect is effectively prevented; effectively prevent that sewage from passing inside the axle hole of axle glues clearance entering motor, arouse the unusual risk of motor short circuit etc..
2. The cable is effectively prevented from being easily damaged and broken at the position of the shaft outlet;
3. the structure is reasonable, and the motor is applied to the bicycle motor and the electric motorcycle motor of the two-wheel electric vehicle, and can obtain good technical effects.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is the utility model provides a local schematic diagram after cable water joint and shaft hole screw thread, cable are connected.
Fig. 2 is the cable water joint schematic diagram in the utility model.
Fig. 3 is a schematic view of a motor shaft according to the present invention.
In the drawings
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
As shown in fig. 1, fig. 2 and fig. 3, according to the present invention, an outlet structure for an external rotor motor comprises: the device comprises a bearing 1, an end cover 2, an oil seal 3, a cable 4, a cable waterproof joint 5, a motor shaft 6 and a cable channel; the motor shaft 6, the end cover 2, the oil seal 3 and the bearing 1 are coaxially connected, and the circle centers of the cross sections of the motor shaft 6, the end cover 2 and the oil seal 3 are superposed with the circle center of the cross section of the bearing 1; the bearing 1 is arranged between the end cover 2 and the motor shaft 6; the cable channel is arranged on the upper part of the motor shaft 6 in a penetrating way; the cable waterproof connector 5 is connected with a motor shaft 6; the cable waterproof connector 5 is arranged at an opening at one side of the cable channel; the cable 4 passes through the cable channel, the cable gland 5.
As shown in fig. 1, the outer circle of a bearing 1 is in interference fit with the inner circle of a bearing chamber of an end cover 2; in the figure, the excircle of the oil seal 3 is in interference fit with the inner circle of the oil seal chamber of the end cover 2. The outlet structure suitable for external rotor electric machine still includes: a glue injection hole 9 and a shaft hole sealing piece 7; the shaft hole sealing piece 7 is arranged in the cable channel, the cable 4 is wrapped by the shaft hole sealing piece 7, the cable 4 penetrates through the shaft hole sealing piece 7, glue is injected through the glue injection hole in the motor shaft 6 to form the shaft hole sealing piece 7, and the shaft hole sealing piece 7 tightly wraps the cable 4 along the inner circle of the motor shaft to play a role in secondary water prevention;
the cable waterproof joint 5 includes: a joint body 501, a lock nut 502; the connector body 501 is connected with an opening at one side of the cable channel, and the lock nut 502 is arranged at one side of the cable waterproof connector 5 away from the cable channel; the cable 4 passes through the connector body 501 and the lock nut 502.
The cable waterproof connector 5 further comprises a connector O-ring 503; the joint O-ring 503 is disposed at a gap between the cable waterproof joint 5 and the motor shaft 6, thereby increasing the sealing between the cable waterproof joint and the motor shaft.
The cable watertight connector 5 further includes: a clamping jaw 504; the clamping jaw 504 is arranged inside the lock nut 502, and the clamping jaw 504 is located between the inner wall of the lock nut 502 and the cable 4, so that a better waterproof effect can be achieved.
The shaft hole sealing piece 7 is a rubber shaft hole sealing piece.
The clamping jaw 504 is a rubber clamping jaw 504.
The cable waterproof connector 5 is in threaded connection with a motor shaft 6.
The movable part of the outlet end of the cable 4 does not rub the end cover 2, so that the risk of damage and fracture is avoided;
specifically, in one embodiment, a point is selected at a suitable location between the center of the motor shaft and the inner circle of the bearing at which point an appropriate hole is drilled axially, the hole centerline being parallel to the shaft centerline. Tapping threads in the shaft hole close to the outer direction of the motor;
drilling a glue injection hole in the radial direction, and communicating with the hole without drilling through the hole;
connecting the joint body of the waterproof cable joint with the shaft hole through threads, so that the waterproof cable joint is tightly and firmly connected with the shaft; after the cable passes through the inner hole of the waterproof cable joint and the inner hole of the shaft;
firstly, locking a lock nut of a waterproof cable joint, and forming compact filling between the lock nut and a cable after a rubber clamping claw is extruded;
injecting shaft hole glue through a glue injection hole in the shaft, wherein the shaft hole glue tightly wraps the cable along the inner circle of the motor shaft, and the glue has a secondary waterproof effect after being solidified;
the utility model can effectively prevent the fracture risk of strength reduction after drilling inclined holes or center holes on the shaft for pursuing sealing effect; the abnormal risks of short circuit and the like of the motor caused by the fact that sewage penetrates through the gap between the shaft hole rubber in the shaft and enters the motor can be effectively prevented; the cable is effectively prevented from being easily damaged and broken at the position of the shaft outlet; the structure is reasonable, and the motor is applied to the bicycle motor and the electric motorcycle motor of the two-wheel electric vehicle, and can obtain good technical effects.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (9)
1. The utility model provides an outlet structure suitable for external rotor electric machine which characterized in that includes: the cable sealing device comprises a bearing (1), an end cover (2), an oil seal (3), a cable (4), a cable waterproof joint (5), a motor shaft (6) and a cable channel;
the motor shaft (6), the end cover (2), the oil seal (3) and the bearing (1) are coaxially connected, and the cross section circles of the motor shaft (6), the end cover (2) and the oil seal (3) are superposed with the circle center of the cross section circle of the bearing (1);
the bearing (1) is arranged between the end cover (2) and the motor shaft (6);
the cable channel is arranged at the upper part of the motor shaft (6) in a penetrating way;
the cable waterproof joint (5) is connected with the motor shaft (6);
the cable waterproof connector (5) is arranged at an opening at one side of the cable channel;
the cable (4) passes through the cable channel and the cable waterproof connector (5).
2. The external rotor electric machine applicable outlet structure of claim 1, further comprising: a glue injection hole (9) and a shaft hole sealing piece (7);
the shaft hole sealing piece (7) is arranged inside the cable channel, the shaft hole sealing piece (7) wraps the cable (4), and the cable (4) penetrates through the shaft hole sealing piece (7).
3. The outlet structure for the external rotor motor according to claim 1, wherein the cable waterproof joint (5) comprises: a joint body (501) and a lock nut (502);
the connector body (501) is connected with an opening at one side of the cable channel, and the locking nut (502) is arranged at one side of the cable waterproof connector (5) far away from the cable channel;
the cable (4) penetrates through the connector body (501) and the lock nut (502).
4. The outlet structure for the external rotor electric machine according to claim 3, wherein the cable waterproof connector (5) further comprises a connector O-ring (503);
the joint O-shaped ring (503) is arranged at a gap between the cable waterproof joint (5) and the motor shaft (6).
5. The outlet structure for the external rotor motor according to claim 3, wherein the cable waterproof connector (5) further comprises: a clamping jaw (504);
the clamping jaw (504) is arranged inside the lock nut (502), and the clamping jaw (504) is positioned between the inner wall of the lock nut (502) and the cable (4).
6. The outlet structure for an external rotor motor according to claim 2, wherein the shaft hole seal (7) is a rubber shaft hole seal.
7. The outlet structure for an external rotor motor according to claim 5, wherein the clamping claw (504) is a rubber clamping claw (504).
8. The outlet structure for the external rotor motor according to claim 1, wherein the cable waterproof connector (5) is in threaded connection with the motor shaft (6).
9. The utility model provides an outlet structure suitable for external rotor electric machine which characterized in that includes: the cable sealing device comprises a bearing (1), an end cover (2), an oil seal (3), a cable (4), a cable waterproof joint (5), a motor shaft (6) and a cable channel;
the motor shaft (6), the end cover (2), the oil seal (3) and the bearing (1) are coaxially connected, and the cross section circles of the motor shaft (6), the end cover (2) and the oil seal (3) are superposed with the circle center of the cross section circle of the bearing (1);
the bearing (1) is arranged between the end cover (2) and the motor shaft (6);
the cable channel is arranged at the upper part of the motor shaft (6) in a penetrating way;
the cable waterproof joint (5) is connected with the motor shaft (6);
the cable waterproof connector (5) is arranged at an opening at one side of the cable channel;
the cable (4) passes through the cable channel and the cable waterproof connector (5);
further comprising: a glue injection hole (9) and a shaft hole sealing piece (7);
the shaft hole sealing piece (7) is arranged inside the cable channel, the shaft hole sealing piece (7) wraps the cable (4), and the cable (4) penetrates through the shaft hole sealing piece (7);
the waterproof cable joint (5) comprises: a joint body (501) and a lock nut (502);
the connector body (501) is connected with an opening at one side of the cable channel, and the locking nut (502) is arranged at one side of the cable waterproof connector (5) far away from the cable channel;
the cable (4) penetrates through the connector body (501) and the lock nut (502);
the waterproof cable joint (5) also comprises a joint O-shaped ring (503);
the joint O-shaped ring (503) is arranged at a gap between the cable waterproof joint (5) and the motor shaft (6);
the waterproof cable joint (5) further comprises: a clamping jaw (504);
the clamping claw (504) is arranged inside the lock nut (502), and the clamping claw (504) is positioned between the inner wall of the lock nut (502) and the cable (4);
the shaft hole sealing piece (7) is a rubber shaft hole sealing piece;
the clamping jaw (504) is a rubber clamping jaw (504);
the cable waterproof joint (5) is in threaded connection with the motor shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921193289.8U CN210111760U (en) | 2019-07-26 | 2019-07-26 | Wire outlet structure suitable for external rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921193289.8U CN210111760U (en) | 2019-07-26 | 2019-07-26 | Wire outlet structure suitable for external rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210111760U true CN210111760U (en) | 2020-02-21 |
Family
ID=69566957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921193289.8U Active CN210111760U (en) | 2019-07-26 | 2019-07-26 | Wire outlet structure suitable for external rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210111760U (en) |
-
2019
- 2019-07-26 CN CN201921193289.8U patent/CN210111760U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106785646B (en) | A kind of cylindrical sealing structure of penetrating cable | |
| CN210111760U (en) | Wire outlet structure suitable for external rotor motor | |
| CN203288820U (en) | Socket capable of rapidly replacing contact member | |
| CN210111485U (en) | Submarine cable traction head | |
| CN202797779U (en) | Drawing head for laying three-core cable | |
| CN105141073A (en) | Motor assembly | |
| CN204258252U (en) | For the case of high-voltage cable middle joint | |
| CN212461790U (en) | Sealing structure for lithium ion battery system | |
| CN209743536U (en) | Speed reducer shell and end cover connecting assembly | |
| CN204391385U (en) | Cable connector | |
| CN107275865A (en) | A kind of cable connector | |
| CN210223927U (en) | Protective sleeve structure for protective tube | |
| CN211296157U (en) | Pressing plate type cable sealing structure of submersible electric pump | |
| CN209527015U (en) | A kind of cable water-tight device | |
| CN203589231U (en) | Connector for disassembling underwater cable | |
| CN206135056U (en) | Connector with high -tension wire harness | |
| CN205984838U (en) | Electric leakage breaker | |
| CN206181039U (en) | A relay | |
| CN207801448U (en) | A kind of cable connector easy to use | |
| CN215681592U (en) | Rail vehicle on-line device and rail vehicle | |
| CN210268683U (en) | Composite sensor structure with long probe | |
| CN221263339U (en) | Large-section tail pipe of high-voltage cable terminal | |
| CN207782065U (en) | One kind can line-disparting type automobile low pressure joint current and its shackle member | |
| CN211127085U (en) | Waterproof joint of cable | |
| CN220629027U (en) | Protective device for aluminum shell three-phase asynchronous motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |